* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
    background: #000;
    color: #fff;
    text-align: center;
}

header,
.left,
.right {
    position: absolute;
}

header {
    left: 10px;
    top: 10px;
    right: 10px;
    height: 150px;
    border: solid #fff 1px;
}

header h1 {
    font-size: 40px;
    height: 60px;
    line-height: 60px;
}

.left {
    left: 10px;
    top: 170px;
    bottom: 10px;
    width: 200px;
    border: solid #fff 1px;
}

.left ul {
    overflow: auto;
}

.left ul li {
    height: 30px;
    line-height: 30px;
    cursor: pointer;
}

.left ul li.selected {
    color: green;
}

.right {
    top: 170px;
    right: 10px;
    bottom: 10px;
    left: 220px;
    border: solid #fff 1px;
}
